the effects of stress and labor force performance

the speed of the development and changes of technology is so fast and astonishing that causes the increase of stress and diminishing societies health. there are some factors involved in the creation of the stress. those factors included as the stresses caused by external factors of the organization internal factors of the organization, collective and individual stresses. the relationship between stress and the performance of the employess from one hand depends to other factors such as nature and the toughness of work, and also to the other hand, to motivation, goal, ability, and other particular characteristics of every individual. researches prove that stresses can affect the performance and when it increases, the quality of performance decrease. the various consequences of stress usually appeare in the form of physical, psychological and behavioural defects. stress is an inevitable part of life and it has two states': wearing out, destructive and negative stresses and the other one, energizing, constructive and positive stresses. the internal stress of organization is originated from organizational policies, physical conditions of work, organizational structure and organizational process that all managers of the organization, should pay attention to.